Created Post Tag and PostTag models and migrations
Added activerecord Associations
Deleted old model files.
Fixed tag migration: text attribute had no name
created seeds file
Show index page with list of blog posts and tags

fixed tags in seed file too.
Added create new post button and links to post pages
moved container div into layout because I don't want to type it again
Show an individual post
Show post editing form
Show post creation form
Create and Edit post adds and deletes from database
Added user model and migration
added user model with hashed password.
Added login view and corrosponding routes